Words, Words, Words
Simplify Expressions
Solve, Solve, Solve!
mixed equations
mixed equations
100

What is the inverse of division?

multiplication

100

Simplify 2x2 - 4x -x2

x2-4x

100

5p - 1 = 2p + 20

What is p = 7?

100

12x = 4(x + 5)

What is x = 20/8 or 2.5?

100

3y − 5y + 10 = 36

What is y = -13?

200

What is the inverse of addition?

subtraction

200

-3(4x-3) - 9

-12x

200

-2x+ 4= 10

x=-3

200

15x - 3(3x + 4) = 6

What is x = 3?

200

-9x + 21 +11x + 21 = 2

What is x = -20?

300

define "like terms"

Terms with the same variable with the same exponent

300

6xy-2y+6x2y +6y

6xy + 4y +6x2y

300

-9 x + 8 = -55 

-7 x - 2 = 12

What is x = 7 and -2?

300

2(x − 4) = 4(2x + 1)

What is x = -2?

300

6n + 12 - 8n = 22

What is n = -5?

400

After simplifying the expressions on both sides of an equation, what is step 2?

collect the variables using inverse operations

400

-(-x + 2) - (x +2)

4

400

2(y-9) = -(-y + 18)

y=0

400

3(x + 2) − 2(x + 1) = 8

What is x = 4?

400

-2x + 15 + 4x + 15 = –6

What is x = -18?

500

How are expressions and equations different?

Equations have an = sign.

500

3y - 8x + 6y + 8x -9y 

0

500

2(x-3)/4 = 36

What is x =15

500

−2(1 − 4x) = 3x + 8

What is x =2?

500

2m− (m+ 1) = 0

What is m = 1?

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